CVE-2019-19279

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-03-10 · updated 2026-06-17
Weakness: CWE-20

Description

A vulnerability has been identified in SIPROTEC 4 and SIPROTEC Compact relays equipped with EN100 Ethernet communication modules (All versions). Specially crafted packets sent to port 50000/UDP of the EN100 Ethernet communication modules could cause a Denial-of-Service of the affected device. A manual reboot is required to recover the service of the device. At the time of advisory publication no public exploitation of this security vulnerability was known to Siemens.

Affected products

Siemens Siprotec 4: all versions
Siemens Siprotec Compact: all versions

References

https://cert-portal.siemens.com/productcert/pdf/ssa-974843.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-974843.pdf

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